The genus Passaloecus Shuckard (Hymenoptera: Crabronidae) from China with four new species and two new records

Abstract

Four new species of genus Passaloecus Shuckard, (Crabronidae: Pemphredoninae: Pemphredonini) from China are described, namely P. bisulcatus Bashir & Ma, sp. nov., P. profundesulcatus Bashir & Ma, sp. nov., P. tuberangustus Bashir & Ma, sp. nov., and P. tuberculiformis Bashir & Ma, sp. nov. In addition, eight Palearctic species are reported, of which P. turanicus Gussakovskij and P. turionum Dahlbom are first records for China. A key to the species of Passaloecus from China is provided.

A new species of Passaloecus Shuckard (Hymenoptera, Crabronidae) from China, with a key to Oriental species

“… Passaloecus currently comprises 45 species and five subspecies worldwide ( Tsuneki 1955 , 1967 , 1974 ; Merisuo 1972 , 1973 ; Bohart and Menke 1976 ; Vincent 1979 ; Rezaei et al 2020 ; Pulawski 2023 ). Several studies have documented this genus from China ( Ma et al 2013 , 2018 ; Bashir et al 2019 , 2021 ), and, as a result of the present work, 17 species and one subspecies of Passaloecus are known from China, among them four species and one subspecies from Oriental China, and five species are distributed in both Palaearctic and Oriental China. Prior studies have described five new Oriental species, P. columnaris (Yunnan), P. labrinigratus (Yunnan), P. multituberculatus (Zhejiang), and P. petiolatus (Tibet) ( Ma and Li 2012 ), and, most recently, P. frontirugatus (Ningxia, Liaoning, and Zhejiang) ( Bashir et al 2021 ) from China.…”